(-)-8-Methyl-2,3,3a,4,5,6-hexahydro-1H-pyrazino(3,2,1-jk)carbazole hydrochloride 145511-51-9 1H-Pyrazino(3,2,1-jk)carbazole, 2,3,3a,4,5,6-hexahydro-8-methyl-, hydrochloride, (S)-